A hydrophilic inorganic framework based on a sandwich polyoxometalate: unusual chemoselectivity for aldehydes/ketones with in situ generated hydroxylamine. Issue 35 (16th August 2017)

• Record Type: Journal Article
• Authors: Xing, Songzhu; Han, Qiuxia; Shi, Zhuolin; Wang, Shugai; Yang, PeiPei; Wu, Qiang; Li, Mingxue
• Is Part Of: Dalton transactions. Volume 46:Issue 35(2017)
• Page Start: 11537
• Page End: 11541
• Publication Date: 2017-08-16
• Subjects: Chemistry, Inorganic -- Periodicals; Chemistry, Physical and theoretical -- Periodicals; Chemistry, Inorganic -- Periodicals; 546.05
• DOI: 10.1039/c7dt02411h
• Languages: English
• ISSNs: 1477-9226

Abstract

Abstract : A green catalyst provides a synergistical catalytic way to synthesize an oxime from aldehyde/ketone by nucleophilic addition of in situ generated hydroxylamine and further promote its rearrangement into nitrile/amide in hydrosolvent. Abstract : A hydrophilic inorganic porous catalyst was prepared via the hydrothermal method. The combination of [WZn3 (H2 O)2 (ZnW9 O34 )2 ] 12− and Co(ii ) provides a synergistical catalytic way to promote oximation of aldehyde/ketone with in situ generated hydroxylamine that initially produces an oxime, which further either dehydrates into a nitrile or undergoes a Beckmann rearrangement to form an amide.